/**
 *    Copyright 2006  <a href='mailto:rahul.thakur.xdev@gmail.com'>Rahul Thakur</a>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.continuum;

import java.net.URL;

import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import com.googlecode.c4e.internal.ContentProvider;
import com.googlecode.c4e.model.Profile;
import com.googlecode.c4e.model.Project;
import com.googlecode.c4e.model.ProjectGroup;
import com.googlecode.c4e.model.RootElement;

/**
 * The activator class controls the plug-in life cycle
 */
public class Activator extends AbstractUIPlugin {

    // The plug-in ID
    public static final String PLUGIN_ID = "org.apache.continuum.plugin";

    // The shared instance
    private static Activator plugin;

    private URL baseUrl;

    /**
     * The constructor
     */
    public Activator() {
        plugin = this;
    }


    /*
     * (non-Javadoc)
     *
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
     */
    @Override
    public void start(BundleContext context) throws Exception {
        super.start (context);
        ContentProvider cp = new ContentProvider();
        Platform.getAdapterManager().registerAdapters(cp, Profile.class);
        Platform.getAdapterManager().registerAdapters(cp, Project.class);
        Platform.getAdapterManager().registerAdapters(cp, ProjectGroup.class);
        Platform.getAdapterManager().registerAdapters(cp, RootElement.class);


        baseUrl = context.getBundle().getEntry("/");
    }

    /*
     * (non-Javadoc)
     *
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    @Override
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop (context);
    }


    /**
     * Returns the shared instance
     *
     * @return the shared instance
     */
    public static Activator getDefault() {
        return plugin;
    }


    /**
     * Returns an image descriptor for the image file at the given plug-in
     * relative path
     *
     * @param path
     *            the path
     * @return the image descriptor
     */
    public ImageDescriptor getImageDescriptor(String path) {
      try {
        return ImageDescriptor.createFromURL(new URL(baseUrl + path));
      } catch (Exception e) {
        e.printStackTrace();
        return null;
      }
//        return imageDescriptorFromPlugin (PLUGIN_ID, path);
    }
}
